Home / 104,578.24-156,738.84-48,342.28

Finding the Fourth Proportional to 104,578.24, 156,738.84 and 48,342.28

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Solution

The fourth proportional to 104,578.24, 156,738.84 and 48,342.28 is: 72,454.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,578.24 : 156,738.84 = 48,342.28 : x
  2. Step 2: Convert to fraction form
    104,578.24/156,738.84 = 48,342.28/x
  3. Step 3: Cross multiply
    104,578.24x = 156,738.84 × 48,342.28
  4. Step 4: Simplify right side
    104,578.24x = 7,577,112,890.16
  5. Step 5: Solve for x
    x = 7,577,112,890.16/104,578.24
  6. Step 6: Final answer
    x = 72,454.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.